obama is scheduled to meet with karzai on friday. they have many delicate issues to address and finding an agreement that's acceptable to both sides is expected to be difficult. >>> a terrible traffic and soaring land prices are some of the unwelcome features of asia's booming cities. those problems are especially acute in vietnam. construction companies from developed markets are competing to offer solutions. they include a railway company that wants to use lessons learned in japan to help vietnam build cities of the future. akiko has more from hanoi. >> reporter: vietnam is booming. people pour into the cities look for work and fortune. but not everyone is moving forward. the hanoi traffic gets worse every year. and dangerous, too, with more and more accidents. but infrastructure isn't the only problem. land prices have spiked. one potential solution is inspired by lessons from japan. this man works for a tokyo corporation, a japanese company head quartered in tokyo. next to vietnam's largest city, ho chi minh. he's trying to sell